CN109155556A - Rotor and method for manufacturing rotor - Google Patents
Rotor and method for manufacturing rotor Download PDFInfo
- Publication number
- CN109155556A CN109155556A CN201780031675.4A CN201780031675A CN109155556A CN 109155556 A CN109155556 A CN 109155556A CN 201780031675 A CN201780031675 A CN 201780031675A CN 109155556 A CN109155556 A CN 109155556A
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- China
- Prior art keywords
- rotor
- armature
- magnet
- armature block
- injection molding
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000001746 injection moulding Methods 0.000 claims abstract description 40
- 239000004033 plastic Substances 0.000 claims abstract description 36
- 229920003023 plastic Polymers 0.000 claims abstract description 36
- 238000004873 anchoring Methods 0.000 claims abstract description 26
- 238000005253 cladding Methods 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims description 42
- 239000002184 metal Substances 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000116 mitigating effect Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 238000007363 ring formation reaction Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000003475 lamination Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/15—Sectional machines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to a kind of rotor and a kind of methods for manufacturing this rotor applied in the motor.Rotor includes multiple armature sections, multiple magnets (3), rotor core (6) and injection molding coating member.Here, rotor core (6) is formed by injection molding cladding by plastics.Herein, armature section is configured to individual armature block (2), wherein, each armature block (2) is anchored in rotor core (6) on its inside in face of rotor center axis (Y-Y) at least by anchoring device (9).
Description
Technical field
The present invention relates to a kind of rotor and a kind of methods for manufacturing this rotor applied in the motor.
Background technique
A kind of rotor of motor as known to 10 2,012 221 422 A1 of DE, the rotor include by multiple stamped metals
The armature core lamination that piece is combined into.On the one hand the armature core lamination carries the magnet being distributed on circumference and on the other hand shape
At the connector for being connected to axis, torque can be transmitted by the axis.Therefore, which ensures mechanical strength.By armature
The arragement construction of core lamination and each magnet composition is also utilized plastic overmold.
Summary of the invention
It is an object of the present invention to provide a kind of improved rotors.
The purpose is realized by claim 1.Claim 14,15 and 16 relates separately to a kind of motor, a kind of tool
There are the actuator and a kind of vehicle with this actuator and/or motor of this motor.Claim 17 is related to one kind
Method for manufacturing this rotor.Advantageous embodiment of the invention is the theme of dependent claims.
The present invention proposes a kind of application rotor in the motor, wherein the rotor includes multiple armature sections, multiple
Magnet, rotor core and injection molding coating member.
Here, rotor core is formed by injection molding cladding by plastics.Thus cancel according to the prior art, for example in DE 10
The metallic connection parts section that is radial, being connected to axis being arranged in 2012 221 422 A1.The plastics of rotor core are thereby, it is ensured that machinery
Intensity.
Here, armature section is formed as individual armature block, wherein armature block is respectively at it in face of rotor center axis
It is anchored in rotor core on inside at least by anchoring device.Here, anchoring device forms the firm shape with coating plastic
It is sealed.Here, the armature block that can be combined by multiple punched metal sheets can be suitably configured to it is identical.
Connect due to eliminating the metal that is radial, being connected to axis for example mentioned in 10 2,012 221 422 A1 of DE
Socket part section, the magnetic flux in this rotor are also modified, this is because the rotor core alternatively formed by plastics is as connection
Section does not have a negative impact to magnetic flux.It furthermore can be by armature block proposed, individual advantageously according to optimal magnetic
The mode of flux is constituted.
According to one embodiment, armature block and magnet individually and are alternately combined into substantially circular cross section arrangement
Structure.Herein suitably, magnet can be disposed between two adjacent armature blocks respectively.
The arragement construction of this annular can also alternatively illustrate in this way, that is, the arragement construction of the annular is segmented into list
Only arc section, wherein each arc section corresponds to armature block or corresponds to magnet.
According to it is known in the art be that the receiving section being distributed on circumference is set in the armature core lamination,
Magnet may be pushed into the receiving section and be scratched herein.
This damage is avoided according to another embodiment, this is because when installing this rotor by armature block and magnet
Advantageously successively combine individually and alternately the arragement construction circularized.This is also beneficial to the magnetic flux in rotor.
Below to being also illustrated in the description of the manufacturing method for this rotor proposed to this.
According to another embodiment, at least one end side is also formed by being molded cladding, the end side and rotor core are total
Injection structure be used to support with formation and one.At least one end side adds magnet relative to the fastening of rotor core
By force, the plastics of the rotor core suitably extend to individual magnet and therefore also fasten the magnet.
According to another embodiment, individually injection molding section, the individual injection molding portion are also formed by injection molding cladding
Section fills the slot being arranged on the outside of rotor and externally covers the slot.Here, slot respectively by two adjacent armature blocks with
The magnet being arranged between described two adjacent armature blocks is collectively formed, wherein injection molding section and rotor core and end side are common
Form injection structure be used to support and one.Individually injection molding sections make magnet relative to rotor core and at least one for these
The fastening of a end side is strengthened.In addition, these individually injection molding sections may be formed so that, that is, it is with corresponding armature block
And/or the outer surface of at least one end side flushes.
The anchoring device formed on individual armature block can be configured to loop shaped herein, such as in the form of semi-ring
Or in the form of the loopful basically constituted.Additionally or alternatively to this, anchoring device also can have by term " loop shaped "
The other constructions covered, such as the construction of part circular.But in principle it is also contemplated that other anchoring shapes or anchoring geometry structure
Type, therefore for example it is also contemplated that the anchoring device of fin shape, is protruded into the plastic body of rotor core.It is also contemplated that loop shaped
It is anchored the combination of shape and other anchoring shapes, such as pin-shaped and/or hook-shaped anchoring shape.All these different anchoring shapes
Shape ensure with the reliable form locking of coating plastic and thereby, it is ensured that the individual plastic body of armature block and rotor core it is reliable
Anchoring.As long as ensuring this reliable form locking, so that it may arbitrarily constitute anchoring shape or anchoring geometric configuration.
In order to install or manufacturing purpose, armature block is respectively provided at least one notch along the longitudinal direction of the arragement construction of annular,
Wherein, notch can extend from the end lateral end side of armature block, that is, notch along it longitudinally through armature block.It is additional or another to this
Selection of land, this notch can also be on the partial-length of armature block, that is, is to extend only partially into armature block.In such case
Under, notch can be disposed substantially centrally on armature block.
According to another embodiment, arrangement knot of two adjacent armature blocks on side facing with each other about annular
Structure radial direction outer side and inside have at least each protrusion, the protrusion inlay and fasten be disposed in protrusion it
Between magnet.
Here, protrusion at least prolongs on the partial-length of corresponding armature block respectively along the longitudinal direction of the arragement construction of annular
It stretches or this is alternatively extended in whole length of corresponding armature block.
Here, individually armature block is at least formed by punched metal sheet, preferably combined by multiple this punched metal sheets and
At.But armature block can also be formed in principle by solid material.In each case can by corresponding lamination portion or
The corresponding design form of independent armature block is designed as optimizing magnetic flux, this is because by means of the rotor being made of plastics
Core ensures to be connected to axis.
In order to mitigate weight, rotor core can have the notch of distribution in the circumferential, and the notch can suitably turn
Extend in whole length of sub- core, that is, extends from the end lateral end side of rotor core.Additionally or alternatively to this, at least one this
Kind notch can also extend on the partial-length of rotor core, that is, be to extend only partially into rotor core.Here, these notches
It can suitably be evenly distributed in circumferential upper and be uniformly spaced apart from each other.
The end side of rotor also can have notch, and the notch is (radial in the region of armature block and magnet or in height
Position) distribution is in the circumferential, wherein some notches that can correspond to armature block in the notch of end side, that is, these
End side notch is substantially with armature block notch to center.This is realized in the arragement construction time material saving of cladding annular.
The present invention also proposes a kind of motor applied in actuator and/or vehicle, wherein before the motor has
State the rotor of type.
The present invention also proposes a kind of actuator of motor with aforementioned type, such as applies in electronic oil pump, cold
Actuator in water pump, clutch actuator and/or transmission mechanism actuator.It is also contemplated that applying in such as throttle actuation
In device.
Further it is proposed that a kind of vehicle of actuator and/or motor with aforementioned type.
Further it is proposed that a kind of method for manufacturing the rotor of aforementioned type, wherein in the first step by
In erecting bed by the armature section for being configured to individual armature block and individual magnet combination at substantially circular cross section arrangement
Structure.In addition, the plastic construction being used to support in the second step by injection molding cladding addition in the method.Here, turning
Sub- core is formed by plastics, and armature block is anchored on its inside in face of rotor center axis at least by anchoring device respectively
In the rotor core.
Pin for suppressing metal is placed to and here, individually armature block fastens the notch by being arranged exclusively for it to realize
On, the pin for suppressing metal is placed in erecting bed.This is able to achieve the arragement construction by annular with side already discussed above
Formula is divided into individual arc section, and the arc section perhaps corresponds to armature block or corresponds to magnet.
Here, pin for suppressing metal is about its cross section shape suitably at least substantially corresponding to corresponding armature block
Notch, wherein the notch of armature block is for example configured to slit shape.
According to one embodiment, alternately combine individual armature block and magnet the arragement construction circularized.This has
Conducive to the magnetic flux in this rotor.
According to another embodiment, successively alternately combine individual armature block and magnet the arrangement knot circularized
Structure.Thus individual magnet is avoided to be pushed between two adjacent armature blocks.Therefore it also avoids as in the state of the art
Damage magnet surface.This is also beneficial to the magnetic flux in rotor.
According to another embodiment, magnet is arranged between two adjacent armature blocks.Occur after thus avoiding
Corrosion.
Magnet can or be magnetized after mounting before the mounting or alternatively in principle.
At least one end side is also formed during being molded cladding, the sum being used to support is collectively formed in the end side and rotor core
The plastic construction of one.At least one end side strengthens fastening of the magnet relative to rotor core.
Individually injection molding section is also formed during injection molding cladding, the individual injection molding section is filled on the outside of rotor
Slot simultaneously externally covers slot, wherein slot by two adjacent armature blocks and is arranged between described two adjacent armature blocks respectively
Magnet be collectively formed.Here, modeling be used to support and one is collectively formed in injection molding section and rotor core and end side accordingly
Expect structure.Individually injection molding section strengthens fastening of the magnet relative to rotor core and at least one end side for these.These are individually
Injection molding section can also be formed in this way, that is, it is described injection molding section about annular arragement construction and corresponding magnet outer surface
It flushes.
According to another embodiment, however, it would be possible to make erecting bed with being divided into two parts or be divided into be partly formed more,
So that two or more erecting bed parts are complementally installed in advance with the armature block and magnet individually combined, wherein will be pre-
It then combines to form the arragement construction of annular the erecting bed part first installed.
In principle, finally formed plastic construction can be constituted with flushing with the corresponding outer surface of armature block, to keep away
Exempt to protrude.
Axis and/or hub can also be coated jointly when forming plastic construction.
Finally, after plastic construction hardening, in last third step, by rotor from the pin for suppressing metal of erecting bed
It removes and is then taken out from the injection mold accordingly used.
Detailed description of the invention
With reference next to attached drawing, the present invention will be described in detail.By dependent claims and the following explanation to preferred embodiment
It obtains and of the invention other is advantageously improved scheme.
In attached drawing:
Fig. 1 shows the perspective view of rotor, which has plastic construction being formed by injection molding, being used to support,
Fig. 2 shows the cross-sectional view of X-X along rotor shown in Fig. 1,
Fig. 3 shows the first erecting bed with armature block and magnet,
Fig. 4 shows the second erecting bed with armature block and magnet, and
Fig. 5 shows another perspective view of rotor, which has plastic construction being formed by injection molding, being used to support.
Specific embodiment
Fig. 1 shows the rotor 1 of motor, and the motor applications are in actuator and/or as driving device for for example
Oil pump and/or water supply pump, electrodynamic braking power assisting device, variable valve actuator for air, clutch actuator and/or transmission mechanism actuator
And similar device.Rotor 1 --- rotor may include axis not shown here, for being inserted into receptacle A --- is herein
It is formed by injection molding.Arragement construction of the rotor 1 for example with ten armature blocks 2 and ten magnets 3 on the whole.Herein may be used in principle
To find out, the quantity of armature block 2 and magnet 3 --- according to design form of motor --- can be arbitrary.Individual armature
Block 2 constitutes the armature core lamination being composed of multiple punched metal sheets or armature section.Here, armature block 2 and magnet 3 are independent
Ground is simultaneously alternately combined into substantially annular arragement construction (see Fig. 2).Here, respectively between two adjacent armature blocks 2
It is disposed with a magnet 3.
Arragement construction on the side facing with each other of two adjacent armature blocks 2 about annular is respectively in radial outside
Protrusion 9 is formed with inside, the protrusion is inlayed and fastens corresponding magnet 3.Here, individually including protrusion 9
Side is cut out bevel edge, wherein the protrusion is tapered along the circumferencial direction of the arragement construction 15 of annular.This simplifies pacifying
The assembling of armature block 2 and magnet 3 when dress.Here, individually protrusion 9 prolongs in the whole length of corresponding armature block 2
It stretches.
Individual armature block 2 is configured to loop shaped with multiple in total on its inside in face of rotor center axis Y-Y
, the anchoring device 2* of the form of loopful, be firmly anchored in the injected plastics material of rotor core 6 or rotor core 2 (Fig. 2).This
A little anchoring device 2* are along the longitudinal direction (Y-Y) of rotor 1 with identical spacing distribution each other in the length of armature block 2.To this
Alternatively, these anchoring devices 2* is also configured to part circular or arc (see Fig. 3, Fig. 4, Fig. 5).In Fig. 3,
The anchoring device 2* there are five loop shaped is set on each armature block 2 in total.All these anchoring device 2* are in the cladding of rotor 1
In state (Fig. 1, Fig. 2, Fig. 5) by the plastic material of rotor core 2, injected plastics material is inlayed or is penetrated in other words, therefore they and rotor
Core 6 forms firm form locking.
Each individually armature block 2 has notch 8, which is disposed substantially centrally in armature block 2 for installing
It goes up and is configured to slit shape.The notch 8, further below will be in conjunction with installation or manufacturing method pair for receiving so-called pin for suppressing metal 14
Pin for suppressing metal is illustrated.
Rotor core 6 includes the notch 10 (Fig. 1) of five distributions in the circumferential in total, to save weight.Here, these are lacked
Mouthfuls 10 are suitably equably separated from each other arrangement.
Rotor 1 further includes two end sides 5 formed by injection molding, and the rotor core 6 of the two end sides and cladding is collectively formed
Injection structure be used to support and one.In addition to itself played fastening effect, extend to individual magnet 3
Except 6 plastic material of rotor core, the two end sides 5 also additionally fasten individual magnet 3.In addition, the two end sides 5 exist respectively
Have in the region of armature block 2 and magnet 3 or in height for mitigating the notch 11 of weight, the uniform pattern of 11*.Here,
Some notches 8 corresponding to armature block 2 in the notch 11*, respectively pin for suppressing metal 14 pass through the notch extend with
In installation (see Fig. 3, Fig. 4).
The slot 4 formed between two adjacent armature blocks 2 respectively on the outside of rotor 1 --- the slot passes through two electricity
Pivot block 2 and the magnet 3 being arranged between the two armature blocks formation --- (Fig. 1, Fig. 2) is filled also by way of injected plastics material.It is single
The end side 5 that injection molding section 7 that is only, externally covering corresponding slot 4 is integrally coated with the rotor core of cladding 6 and two herein connects
It connects, and is therefore the component part for the injection structure being used to support.Modeling in addition to having played the rotor core 6 of fastening effect itself
Expect except material and two end sides 5, these are individually molded section 7 and also additionally radially fasten individual magnet 3.
In this embodiment, plastic construction is formed as corresponding to armature block 2 to the injection structure being used to support in other words
Outer surface flush, to avoid protruding.
--- being not shown here --- above-mentioned can be inserted into the axis in receptacle A can also be common during being molded cladding
Cladding, that is, injection structure is applied directly on the axis (figure l, Fig. 2).Hub 17 can also alternatively be coated jointly to this,
The hub forms the receptacle A (Fig. 5) for being used for axis.But alternatively to this, this hub 17 can also be tied then with injection molding
Structure or rotor core 6 squeeze jointly.Hub 17 then can with form locking or force closure and axis connection.
In order to manufacture rotor 1, ten armature blocks 2 and ten magnets are illustratively applied in total in the embodiment illustrated
3.In principle, the quantity of armature block used and magnet can unrestricted choice.
In the first step, individual armature block 2 and individual magnet 3 are returned in other words using for example rotatable erecting bed
Revolving worktable 12 is successively alternately combined into substantially annular arragement construction 15.Here, individually armature block 2 by exclusively for
Its notch 8 being arranged is placed on the pin for suppressing metal 14 being installed in mounting plate 13, and the pin for suppressing metal fastens armature block
And it is maintained on erecting bed.In principle advantageously, individual armature block 2 and individual magnet 3 are successively assembled, this is because
Thus ensure safely installation magnet 3, and magnet surface is not scratched.Alternatively to this, individual armature block 2 can also be pre-
It first installs and then magnet 3 is inserted into or is pushed into be formed by and receive in gap.But have a disadvantage in that magnet surface may
It is scratched, thus will lead to the corrosion in this rotor 1.
The magnet 3 being individually sequentially placed is inlayed and tightly by two adjacent armature blocks 2 by means of protrusion 9 herein
Gu.Each magnet 3 is disposed between two adjacent armature blocks 2.
In the second step, the injection structure being used to support now by injection moulding process or injection molding cladding addition, the injection molding
Structure include rotor core 6 and penetrate and inlay individually, the anchor log of the anchoring device form of loop shaped or arc anchor in other words
Determine device 2*.Therefore the arragement construction 15 of injection structure and annular is finally securely coupled with each other and no longer can be in the feelings that do not damage
It is separated from each other under condition.Individual anchoring device 2* forms the firm form locking with the plastics of rotor core 6.
In one embodiment, the injection structure being used to support includes rotor core 6, which extends to armature
Block 2 and magnet 3, wherein individual armature block 2 is firmly anchored in rotor core 6 by means of corresponding anchoring device 2*.At this
In embodiment, rotor core 6 directly supports armature block 2 and not only directly but also had indirectly supported magnet 3 (see Fig. 2, Fig. 5).
It is this provide be made of plastics rotor core 6, be used to support injection structure --- it is not such as in the prior art
Described in as on rotor core formed be used for axis metallic connection parts section or armature core lamination section --- improve at this
Magnetic flux in kind rotor, is known as flux loss caused by the metallic connection parts section this is because eliminating.
In another embodiment, the injection structure being used to support not only includes rotor core 6 but also including two end sides 5
And it is formed in injection molding section 7 on 1 outside of rotor, for covering slot 4, the slot is respectively by two adjacent armature blocks 2
(Fig. 1, Fig. 2, Fig. 5) is collectively formed with the magnet 3 for being located at or being arranged between the adjacent armature block.Here, the injection molding
Section 7 is flushed with the outside of armature block 2.
In principle, erecting bed 12,16 can also for example be configured to be divided into two-part (Fig. 3, Fig. 4).Two erecting beds half
Portion 16 can also be rotatable erecting bed rotary table (Fig. 4) in other words herein.In this case, each five are equipped with
Two sseparated mounting plate 13* of a pin for suppressing metal 14 are equipped with armature block 2 and magnet 3 in the foregoing manner.It is final therefore to obtain
Two by preassembled erecting bed half portion 16, complementary, the semiorbicular arrangement for all having armature block 2 and magnet 3 is tied
Structure 15* (Fig. 4), wherein two erecting bed half portions 16 are finally grouped together in the first step to be used to form annular
Arragement construction 15.The injection structure that is used to support then is added in the second step to annular arragement construction.Here, for connecing
Receive axis --- being not shown here --- hub 17 can also by together encapsulate (Fig. 5).
After injection moulding process and after plastic material hardening, can in last third step by rotor 1 from peace
Loading board 13,13* pin for suppressing metal 14 at remove and from the injection mold accordingly used --- being not shown here --- middle taking-up.
Rotor above-mentioned 1 as motor component is for example applied within the scope of application --- such as motor vehicle
--- in various pump drives.But in principle this rotor 1 as motor component be also suitable for it is other various
Using.
Although the embodiment of demonstration is illustrated above, it may be noted that a variety of variant schemes are possible.Furthermore
It may be noted that the embodiment of demonstration only relates to that protection scope, application and structure will not be generated the embodiment of limitation.More really
Say with cutting, by the explanation of front for those skilled in the art provide for implement at least one demonstration embodiment finger
It leads, wherein various modifications can be realized with --- being especially the function and arrangement configuration aspects in described component part ---,
Without departing from protection scope defined by being combined by claim and corresponding feature.
Claims (27)
1. a kind of rotor of motor, the rotor include:
Multiple armature sections,
Multiple magnets (3),
Rotor core (6), and
Coating member is molded,
It is characterized in that,
The rotor core (6) is formed by injection molding cladding by plastics, and the armature section is formed as individual armature block (2),
In, the armature block (2) is respectively at least by anchoring device (2*) anchor on its inside in face of rotor center axis (Y-Y)
It is scheduled in the rotor core (6).
2. rotor according to claim 1, which is characterized in that the armature block (2) and the magnet (3) by individually and
Alternately it is combined into substantially circular cross section arragement construction (15).
3. rotor according to claim 2, which is characterized in that be disposed between two adjacent armature blocks (2) respectively
Magnet (3).
4. rotor according to any one of claim 1 to 3, which is characterized in that also form at least one by being molded cladding
Injection structure be used to support and one is collectively formed in a end side (5), the end side and the rotor core (6).
5. rotor according to claim 4, which is characterized in that individually injection molding section (7) is also formed by injection molding cladding,
The individual injection molding section is filled the slot (4) being arranged on the outside of the rotor (1) and is externally covered the slot (4),
In, the slot (4) is respectively by two adjacent armature blocks (2) and the magnet being arranged between described two adjacent armature blocks
(3) it is collectively formed, wherein note be used to support and one is collectively formed in injection molding section (7) and rotor core (6) and end side (5)
Mould structure.
6. rotor according to any one of the preceding claims, which is characterized in that the anchoring device (2*) is configured to ring
Round.
7. rotor according to any one of the preceding claims, which is characterized in that the armature block (2) is respectively provided with notch
(8), which at least extends on the partial-length of armature block (2) along the longitudinal direction of the arragement construction (15) of annular, preferably in electricity
Extend in whole length of pivot block (2).
8. rotor according to claim 7, which is characterized in that the notch (8) is disposed substantially centrally in the electricity
On pivot block (2).
9. rotor according to any one of the preceding claims, which is characterized in that two adjacent armature blocks (2) are each other
There is at least each protrusion (9), institute in radial outside and inside about the arragement construction (15) of annular on the side faced
It states protrusion and inlays the magnet (3) being disposed between protrusion.
10. rotor according to claim 9, which is characterized in that the protrusion (9) is along annular arragement construction (15)
It is longitudinal at least to extend on the partial-length of armature block (2) respectively, preferably extend in whole length of armature block (2).
11. rotor according to any one of the preceding claims, which is characterized in that each armature block (2) is by multiple
The punched metal sheet for being combined into armature block (2) is formed.
12. rotor according to any one of the preceding claims, which is characterized in that the rotor core (6), which has, to be distributed in
Notch (10) in circumferential direction, for mitigating weight.
13. rotor according to any one of the preceding claims, which is characterized in that the end side (5) of the rotor (1) has
Notch (11,11*), the notch are distributed in the circumferential in the region of armature block (2) and magnet (3), wherein end side (5)
Some notches (8) corresponding in armature block (2) in the notch (11*).
14. a kind of motor applied in the throttle actuator of internal combustion engine, wherein the motor has to be wanted according to right
Rotor described in asking any one of 1 to 13 (1).
15. a kind of actuator, with motor according to claim 14.
16. a kind of vehicle, with actuator according to claim 15 and/or according to claim 14 electronic
Machine.
17. a kind of method for manufacturing rotor according to any one of claim 1 to 13, wherein in first step
In by means of erecting bed (12) the armature section for being configured to individual armature block (2) and individual magnet (3) are combined into base
It is the arragement construction (15) of annular in sheet,
The plastic construction being used to support in the second step by injection molding cladding addition, wherein rotor core (6) is formed by plastics,
The armature block (2) is anchored in the inside that it faces rotor center axis (Y-Y) at least by anchoring device (2*) respectively
In the rotor core (6).
18. according to the method for claim 17, wherein individual armature block (2) is placed to tight to realize fastening
Gu on pin (14), which is placed in erecting bed (12).
19. according to the method for claim 18, wherein alternately combine individual armature block (2) and magnet (3) cyclization
The arragement construction (15) of shape.
20. according to the method for claim 19, wherein successively alternately combine individual armature block (2) and magnet (3)
The arragement construction (15) circularized.
21. method described in any one of 7 to 20 according to claim 1, wherein the cloth between two adjacent armature blocks (2)
Set magnet (3).
22. method described in any one of 7 to 21 according to claim 1, wherein also form at least one end by being molded cladding
Plastic construction be used to support and one is collectively formed in side (5), the end side and rotor core (6).
23. according to the method for claim 22, wherein individually injection molding section (7) is also formed by injection molding cladding, it is described
Individually injection molding section fills the slot (4) on the outside of the rotor (1) and externally covers the slot, wherein the slot difference
It is collectively formed by two adjacent armature blocks (2) and the magnet (3) being arranged between described two adjacent armature blocks, wherein
Plastic construction be used to support and one is collectively formed in corresponding injection molding section (7) and rotor core (6) and end side (5).
24. method described in any one of 7 to 23 according to claim 1, wherein make erecting bed (12) to be divided into two parts or divide
Formed at the mode of more parts, so as to by two or more erecting bed parts (16) and the armature block (2) individually combined and
Magnet (3) complementally installation in advance, wherein combine preassembled erecting bed part (16) to be used to form the arrangement of annular
Structure (15).
25. method according to any of the preceding claims, wherein be formed by plastic construction and armature block (2)
Corresponding outside flushes.
26. method according to any of the preceding claims, wherein when forming plastic construction by axis and/or hub
(17) common cladding.
27. method according to any of the preceding claims, wherein after plastic construction hardening in third step
Rotor (1) is removed at erecting bed (12) and is then taken out from the injection mold accordingly used.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016209174.3 | 2016-05-25 | ||
| DE102016209174.3A DE102016209174B4 (en) | 2016-05-25 | 2016-05-25 | rotor |
| PCT/EP2017/060933 WO2017202593A1 (en) | 2016-05-25 | 2017-05-08 | Rotor and method for producing a rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109155556A true CN109155556A (en) | 2019-01-04 |
| CN109155556B CN109155556B (en) | 2021-09-24 |
Family
ID=58994887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780031675.4A Active CN109155556B (en) | 2016-05-25 | 2017-05-08 | Rotor and method for producing a rotor |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11258318B2 (en) |
| EP (1) | EP3465877B1 (en) |
| KR (1) | KR102151336B1 (en) |
| CN (1) | CN109155556B (en) |
| DE (1) | DE102016209174B4 (en) |
| WO (1) | WO2017202593A1 (en) |
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| CN111786479A (en) * | 2020-07-09 | 2020-10-16 | 金华九禾磁电科技有限公司 | Rotor and motor |
| CN113346690A (en) * | 2020-03-02 | 2021-09-03 | 保时捷股份公司 | Method for producing a rotor of an electric machine |
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| DE102017212410A1 (en) | 2017-07-19 | 2019-01-24 | Continental Automotive Gmbh | Rotor of an electric motor and electric motor |
| DE102018105738A1 (en) * | 2018-03-13 | 2019-09-19 | Bühler Motor GmbH | Rotor for an electric motor and manufacturing process |
| US20190386532A1 (en) * | 2018-06-18 | 2019-12-19 | GM Global Technology Operations LLC | Electric motor |
| DE102019102366A1 (en) * | 2019-01-30 | 2020-07-30 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Rotor of an electric motor and electric motor |
| DE102021107768A1 (en) | 2021-03-26 | 2022-09-29 | Elringklinger Ag | Laminated core and manufacturing process |
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| CN111786479A (en) * | 2020-07-09 | 2020-10-16 | 金华九禾磁电科技有限公司 | Rotor and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017202593A1 (en) | 2017-11-30 |
| EP3465877A1 (en) | 2019-04-10 |
| US20200336030A1 (en) | 2020-10-22 |
| KR102151336B1 (en) | 2020-09-02 |
| EP3465877B1 (en) | 2021-10-13 |
| CN109155556B (en) | 2021-09-24 |
| KR20190005977A (en) | 2019-01-16 |
| DE102016209174A1 (en) | 2017-11-30 |
| US11258318B2 (en) | 2022-02-22 |
| DE102016209174B4 (en) | 2024-10-24 |
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